How to set AP Invoice approval rules based on PO Line type?

Summary

How to set AP Invoice approval rules based on PO Line type?

Content

We have requirement of defining AP Invoice approval rule based on PO line Type. We have added 2 additional custom PO line type. i.e., Capital Purchase and Capital Maintenance

If PO line type is,

'Goods' then Invoice should be routed for approval

'Fixed Price Service' then Invoice should be auto approved

and Capital Purchase and Capital Maintenance has amount based approval rule.

Version

21C